Bump rubocop from 1.50.2 to 1.51.0#2

dependabot[bot] wants to merge 1 commit intomainUnitapApp/heroku-buildpack-python:mainfrom

dependabot/bundler/rubocop-1.51.0UnitapApp/heroku-buildpack-python:dependabot/bundler/rubocop-1.51.0Copy head branch name to clipboard